Hi-Draulic Hauler

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 3 - Hi-Draulic Hauler - Lope at idle. Hot street/strip cam with strong mid-range power.
INT/EXH - Dur @ .050” Lift: 229°/239° RR: 1.5/1.5 Gross Lift: .480”/.501” LSA: 108° RPM: 2500 to 6500 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Rough idle. Explosive mid-range power and torque.
INT/EXH - Dur @ .050” Lift: 236°/242° RR: 1.5/1.5 Gross Lift: .509”/.516” LSA: 108° RPM: 3000 to 6500 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Rough idle. Violent mid-range acceleration.
INT/EXH - Dur @ .050” Lift: 239°/247° RR: 1.5/1.5 Gross Lift: .497”/.522” LSA: 108° RPM: 3250 to 6500 Redline: 6500 Learn More

Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455
Performance level 4 - Hi-Draulic Hauler - Brutal mid to top end torque and horsepower.
INT/EXH - Dur @ .050” Lift: 248°/256° RR: 1.5/1.5 Gross Lift: .518”/.537” LSA: 108° RPM: 3500 to 6500 Redline: 6500 Learn More